sjwiesman commented on a change in pull request #18223:
URL: https://github.com/apache/flink/pull/18223#discussion_r793737852
##########
File path:
flink-libraries/flink-state-processing-api/src/main/java/org/apache/flink/state/api/SavepointWriter.java
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@@ -52,12 +54,42 @@
@PublicEvolving
public class SavepointWriter {
+ /**
+ * Loads an existing savepoint. Useful if you want to modify or extend the
state of an existing
+ * application. The savepoint will be written using the state backend
defined via the clusters
+ * configuration.
Review comment:
It will use whatever is configured in the flink-conf. So yes,
HashMapStateBackend is the default.
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